Dark mode for Window frame (Win only)
Based on https://github.com/chuacw/Delphi-Dark-Mode-demo
uses DarkModeApi.FMX; {or DarkModeApi.Vcl}
procedure TFormMain.FormCreate(Sender: TObject);
begin
{$IFDEF MSWINDOWS}
SetWindowColorModeAsSystem;
{$ENDIF}
end;